Samuel o



(No Model.)

s. 0. MASON. CULTIVATOR.

Np. 282,341. Patented July 31-1883.

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` 'UNITED STATES SAMUEL O. MASON, OF SNOW HILL, NORTH CAROLINA.

CULTIVAT'OR.

SPECIFICATION forming part ofV Letters Patent No. 282,341, 'dated July31, 1883.

' Application filed March 12, 1883. (No model.)

To all whom it may concern.-

Be it known that I, SAMUEL O. MASON, of Snow Hill, in the county ofGreene and State of North Carolina, have invented a new and usefulImprovement in Gultivators; and I do hereby declare that the followingis a full, clear, and exact description ofthe same, reference being hadto the accompanying drawings, forming `part of this specification, in

which- Figure l is a perspective view. Fig. 2 is a sectional detail,showing the connection of the standards to the cross-beam B, and Fig. 3is a partial side view, showing the connection of the cross-beam andplow-beam.

My invention relates to certain improvements upon the cultivator forwhich a patent was granted to me, in connection with ,McDonald Pate andWilliam H. Dail, January 17, 1882, which improvements are designed togive greater strength to the cultivator, prevent splitting of thecross-beam, prevent turning of the shanks of the shovels, and make theblades of the shovels detachable, as hereinafter described.

In the drawings, A represents an ordinary plow-beam provided at its rearend with handles, and having attached to it, in inclined position, thecross-beam B, which should be, for ordinary use, inclined to thedraft-beam at about an angle of forty-four degrees. cross-beam carriesthe cultivating-shovels C, and it is attached to the draft-beam by asingle bolt, d, having a bent end, E, with a toe, e, adapted to enterone of a series of notches or holes in the top of the beam, in which itmay be held by a nut, D, at its lower end, to regulate the inclinationof the cross-beam B to the draft-beam. p

As so far described the construction does not differ from that alreadypatented, and I will now proceed to describe my improvements.

AI have found that the shanks of cultivatorshovels involve a liabilityto split the wooden cross-beam, and that the cross-beam requires to bemore stronglybraced to the main draft-beam.

To remedy these defects, I place a metallic U- shaped bracket, f, aroundthe end of the crossbeam, and fasten it by a horizontal' throughbolt,f', and upon the end of this same bolt I fasten the end of a brace-rod,G, that extends acrossthe angle between the cross-beam and Thisdraft-beam and fastens to the bottom of the draft-beam. I also useU-shaped brackets between the cultivator-teeth applied to the under sideof the beam B, and secured by a through-bolt, as shown ath. To addfurther strength to the connection of the two beams, a brace,*F, isbolted by two bolts, i fi, to the under side ofthe cross-beam, and atits rear end is bolted to the under side of the draftbeam by a bolt, j,which latter also secures the brace G. It will thus be seen that thisbolt j does double duty in holding both braces, and that the bolt f/also does double duty in holding the other end of brace G and the metalbracket f. To hold the shanks of the cultivator-teeth against turning,the shanks of said teeth are made square below and rounded andscrewthreaded at the upper end. At the juncture of the square and roundparts is a detachable sleeve, .5, with a square hole through it, and aiiange, s', with two teeth or points on its upper face. This sleeveshonlders on the square part of the shank, and when a nut, b2, on theupper sideof the beam is screwed upon the `end of the shank it draws theflanged sleeve up against the under side of the beam, and its teeth arecaused to bury in the wood, and by its square fitting on the shank ofthe tooth the latter is prevented from turning. I

also make the wings c of the cultivator-teethdetachable by two bolts, cci, so that when worn new blades may be put on without removing theshanks from the beam.

Having thus described my invention, what I claim as new isl. Thecombination of the beams A and B, the braces F and G, the U-shapedbracket f, the bolt j, connecting the two braces to the beam, and thethrough-bolt f', connecting the lever G and the bracket f to thecross-beam B, substantially as shown and described.

2. The combination, with the beam B, of

the cultivator-tooth having a square shank with rounded andscrew-threaded end, the detachable square sleeve s, having Iiange s, andteeth or points upon its upper surface, and the nut b2, all arrangedsubstantially :as shown and described.

sAMunL o. Mason.

Witnesses:

Minus BAsBnRRY, D. W. PATRICK.

IOO

